ISRC NLUM71100173
Verified recording
NLUM71100173 is “No. 1 in D Minor (4 Polonaises, Op. 75, D.599)” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x21d702424a1636cd11e6548091cdc43f0a59c7e424aa3499a4dcdde57ccf5454 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71100173.
Recording identifiers
- ISRC
- NLUM71100173
- Title
- No. 1 in D Minor (4 Polonaises, Op. 75, D.599)
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x21d702424a1636cd11e6548091cdc43f0a59c7e424aa3499a4dcdde57ccf5454
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:3534c3e8c37c7aaa42f19ef13b463f0b1b3c2a2060828f5f8d6bd99eacec4193- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM71100173
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: No. 1 in D Minor (4 Polonaises, Op. 75, D.599) · Machine-readable JSON-LD